Intelligent landing hazard assessment and avoidance for safe spacecraft landing
Explore the source record for details and available documents.
Engineering topics
Publications and source records attributed to Seraji, H..
Explore the source record for details and available documents.
In this paper we develop a methodology based on ballistics to estimate the landing footprint associated with the powered terminal descent phase of a Mars soft landing.
This paper presents a technique for incorporating terrain traversability data into a global path planning method for field mobile robots operating on rough natural terrain.
This paper presents a Fuzzy Rule-Based Safety Index that quantifies the ease-of-landing a spacecraft on a planetary surface based on sensor-derived measurements of terrain characteristics.
This paper presents novel measures of terrain traversability at three different ranges.
This paper presents a novel global path planning method for field mobile robots operating on rough natural terrain.
This paper presents a new strategy for autonomous navigation of field mobile robots on hazardous natural terrain using a fuzzy logic approach and a novel measure of terrain transversability.
This paper discusses the use of traversability indices to facilitate robot navigation at local, regional, and global scales.
This paper presents novel measures of terrain traversability at three different scales of resolution; namely local, regional, and global traversability indices.
This paper presents a rule-based fuzzy traversability index that quantifies the ease-of-traversal of a terrain by a mobile robot based on real-time measurements of terrain characteristics retrieved from imagery data.
Operatiional safety and health monitoring are critical matters for autonomous field mobile robots such as planetary rovers operating on challenging terrain. This paper describes relevant rover safety and health issues and presents an approach to maintaining vehicle safety in a navigational context.
This paper presents a novel multi-sensor information fusion methodology for intelligent terrain characterization.
Traversability index is introduced in this paper as a new and simple measure for traversability of natural terrains by mobile robots.
This paper presents a novel technique for real-time measurement of terrain characteristics and incorporation of this information into the navigation strategy of an autonomous mobile robot.
This paper introduces a new class of simple nonlinear PID-type controllers comprised of a sector-bounded nonlinear gain in cascade with a linear fixed-gain P, PD, PI, or PID controller.
This chapter describes fundamental research aimed at achieving such long-term objectives through application of soft computing techniques for safe and reliable autonomous rover navigation.
Traversability Index is introduced in this paper as a new and simple measure for traversability of planetary surfaces by mobile robots.
Fuzzy Traversability Index is introduced in this paper as a new and simple measure for quantifying the ease of traversal of natural terrains by field mobile robots.